The term French Castle is represented by the crossword solution CHATEAU, which is a 7 letter word. A CHATEAU is a type of castle that originated in France during the Middle Ages. It was typically built as a fortified residence for the nobility and was often surrounded by a moat. Chateaux were also used as defensive structures and were often located on high ground to provide a better vantage point. Today, many chateaux are open to the public as tourist attractions.